Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-20 03:48Z
PV = nRT
e^{i\pi} + 1 = 0
\frac{8}{7} \sum_{i=1}^{n} i^{2}
47K
∑_{k=1}^{n} k = n(n+1)/2
det| 7 2 ; 1 8 | = 54
∑_{k=1}^{n} k = n(n+1)/2
430K
\frac{8}{2} \sum_{i=1}^{n} i^{2}
det| 1 2 ; 7 2 | = -12
336K
det| 1 1 ; 5 2 | = -3
\binom{n}{k} = \frac{n!}{k!(n-k)!}
215K
d/dφ [φ^9] = 9φ^8
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O